<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <link rel="stylesheet" href="/lib/bootstrap/css/bootstrap.min.css">
  <title>后台管理</title>
</head>

<body>
  <nav class="navbar navbar-default">
    <div class="container-fluid">
      <!-- Brand and toggle get grouped for better mobile display -->
      <div class="navbar-header">
        <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
      <span class="sr-only">Toggle navigation</span>
      <span class="icon-bar"></span>
      <span class="icon-bar"></span>
      <span class="icon-bar"></span>
    </button>
        <a class="navbar-brand" href="#">Brand</a>
      </div>

      <!-- Collect the nav links, forms, and other content for toggling -->
      <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
        <ul class="nav navbar-nav">
          <li class="active"><a href="#">Link <span class="sr-only">(current)</span></a></li>
          <li><a href="#">Link</a></li>

        </ul>
        <ul class="nav navbar-nav navbar-right">
          <% if(!user){ %>
            <li><a href="/login/login">登录</a></li>

            <% }else{%>
              <li class="dropdown">
                <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">
                  <%=user.username%> <span class="caret"></span></a>
                <ul class="dropdown-menu">
                  <li><a href="/login/logout">退出</a></li>
                </ul>
              </li>
              <%}%>
        </ul>
      </div>
      <!-- /.navbar-collapse -->
    </div>
    <!-- /.container-fluid -->
  </nav>
  <% if(success){ %>
    <div class="alert alert-success">
      <%= success %>
    </div>
    <% } %>
      <% if(error){ %>
        <div class="alert alert-danger">
          <%= error %>
        </div>
        <% } %>
